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Finding the Fourth Proportional to 13,484.00, 18,605.07 and 8,180.52

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Solution

The fourth proportional to 13,484.00, 18,605.07 and 8,180.52 is: 11,287.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484.00 : 18,605.07 = 8,180.52 : x
  2. Step 2: Convert to fraction form
    13,484.00/18,605.07 = 8,180.52/x
  3. Step 3: Cross multiply
    13,484.00x = 18,605.07 × 8,180.52
  4. Step 4: Simplify right side
    13,484.00x = 152,199,147.24
  5. Step 5: Solve for x
    x = 152,199,147.24/13,484.00
  6. Step 6: Final answer
    x = 11,287.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.